642818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:553

約数の個数: 16

約数和(自身を含む): 1071360

約数和(自身を除く): 428542

約数列:

[1, 2, 11, 22, 61, 122, 479, 671, 958, 1342, 5269, 10538, 29219, 58438, 321409, 642818]

約数ペア:

[(1, 642818), (2, 321409), (11, 58438), (22, 29219), (61, 10538), (122, 5269), (479, 1342), (671, 958)]